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Finding the Third Proportional to 252,870 and 379,977

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Solution

The third proportional to 252,870 and 379,977 is: 570,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,870 : 379,977 = 379,977 : x
  2. Step 2: Convert to fraction form
    252,870/379,977 = 379,977/x
  3. Step 3: Cross multiply
    252,870x = 379,977 × 379,977
  4. Step 4: Simplify right side
    252,870x = 144,382,520,529
  5. Step 5: Solve for x
    x = 144,382,520,529/252,870
  6. Step 6: Final answer
    x = 570,975.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.